﻿using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;

namespace Quebec.Silverlight.Converters
{
	public class TextLengthValueConverter : IValueConverter
	{
		public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			if ((value is string) == false)
				return value;

			string textValue = value as string;
			int textLength = 0;

			try
			{
				textLength = int.Parse(parameter.ToString());
			}
			catch
			{
				return textValue;
			}

			if (textLength > textValue.Length)
				return textValue;

			if (textLength == 0)
				return textValue;

			return textValue.Substring(0, textLength);
		}

		public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
		{
			return value;
		}
	}
}
